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parisc/PCI: Clean up align handling

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Caller of pcibios_align_resource() (__find_resource_space()) already aligns
the start address by 'alignment' so aligning is only necessary if align >
alignment.

Change also to use ALIGN() instead of open-coding.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20260324165633.4583-8-ilpo.jarvinen@linux.intel.com
This commit is contained in:
Ilpo Järvinen 2026-03-24 18:56:30 +02:00 committed by Bjorn Helgaas
parent 3fa40d305b
commit 38ec53e16f
1 changed files with 4 additions and 6 deletions
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10
arch/parisc/kernel/pci.c
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@ -8,6 +8,7 @@
* Copyright (C) 1999-2001 Hewlett-Packard Company
* Copyright (C) 1999-2001 Grant Grundler
*/
#include <linux/align.h>
#include <linux/eisa.h>
#include <linux/init.h>
#include <linux/module.h>
@ -200,7 +201,7 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size,
resource_size_t alignment)
{
resource_size_t mask, align, start = res->start;
resource_size_t align, start = res->start;
DBG_RES("pcibios_align_resource(%s, (%p) [%lx,%lx]/%x, 0x%lx, 0x%lx)\n",
pci_name(((struct pci_dev *) data)),
@ -209,11 +210,8 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
/* If it's not IO, then it's gotta be MEM */
align = (res->flags & IORESOURCE_IO) ? PCIBIOS_MIN_IO : PCIBIOS_MIN_MEM;
/* Align to largest of MIN or input size */
mask = max(alignment, align) - 1;
start += mask;
start &= ~mask;
if (align > alignment)
start = ALIGN(start, align);
return start;
}